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 Robotics / RCX / legOS / 2360
    problem with lnpd...help!? —Kenneth Johansen
   hi all. im using legOS 0.2.4 and using lnpd to communicate with my linux box. now then, here is my problem. lets imagine i have the following: foo{ int test; char *test2; void *test3; }; char *test4 = 'a'; char *test5 = 'b'; struct foo bar* = NULL; (...) (23 years ago, 15-Mar-02, to lugnet.robotics.rcx.legos)
   
        Re: problem with lnpd...help!? —Eric Swalens
     (...) That's wrong. You should write "char test4 = 'a';", otherwise you are implicitly casting the character 'a' to a pointer to store it in test4 (the compiler should warn you about this; use -Wall to catch these errors). (...) Then this line (...) (23 years ago, 15-Mar-02, to lugnet.robotics.rcx.legos)
   
        Re: problem with lnpd...help!? —Michael Ash
     This is really more of a general C question than an lnpd question. Anyway, the problem is with serialization; you want to take a structure in memory, and turn it into a stream of bytes, either to store in a file, send over a network, or whatever. (...) (23 years ago, 15-Mar-02, to lugnet.robotics.rcx.legos)
   
        Re: problem with lnpd...help!? —Michael Obenland
   (...) this must be char test4 = 'a'; I think. Otherwise, you won't sent an 'a' anyway. But I can't imaginge why you want to do this. Michael Ash has shown a way to fiddle the strings into a contigous data area ready to be sent. But why do you want (...) (23 years ago, 15-Mar-02, to lugnet.robotics.rcx.legos)
 

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